ES2242053T3 - CATALYST THAT INCLUDES A SILICON DIOXIDE SUPPORT MATERIAL FOR PURIFICATION OF EXHAUST GASES. - Google Patents

CATALYST THAT INCLUDES A SILICON DIOXIDE SUPPORT MATERIAL FOR PURIFICATION OF EXHAUST GASES.

Info

Publication number
ES2242053T3
ES2242053T3 ES02758451T ES02758451T ES2242053T3 ES 2242053 T3 ES2242053 T3 ES 2242053T3 ES 02758451 T ES02758451 T ES 02758451T ES 02758451 T ES02758451 T ES 02758451T ES 2242053 T3 ES2242053 T3 ES 2242053T3
Authority
ES
Spain
Prior art keywords
support material
purification
catalyst
silicon dioxide
exhaust gases
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
ES02758451T
Other languages
Spanish (es)
Inventor
Harald Klein
Ulrich Neuhausen
Egbert Lox
Jurgen Gieshoff
Thomas Kreuzer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Umicore AG and Co KG
Original Assignee
Umicore AG and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Umicore AG and Co KG filed Critical Umicore AG and Co KG
Application granted granted Critical
Publication of ES2242053T3 publication Critical patent/ES2242053T3/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/08—Silica
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/64—Pore diameter
    • B01J35/647—2-50 nm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2235/00—Indexing scheme associated with group B01J35/00, related to the analysis techniques used to determine the catalysts form or properties
    • B01J2235/30—Scanning electron microscopy; Transmission electron microscopy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/42—Platinum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/08—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
    • B01J29/10—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y containing iron group metals, noble metals or copper
    • B01J29/12—Noble metals
    • B01J29/126—Y-type faujasite
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
    • B01J29/42—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively containing iron group metals, noble metals or copper
    • B01J29/44—Noble metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/31—Density
    • B01J35/32—Bulk density
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/40—Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
    • B01J35/45—Nanoparticles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional [3D] monoliths
    • B01J35/57—Honeycombs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0027—Powdering
    • B01J37/0045—Drying a slurry, e.g. spray drying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/024—Multiple impregnation or coating
    • B01J37/0246—Coatings comprising a zeolite
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/024—Multiple impregnation or coating
    • B01J37/0248—Coatings comprising impregnated particles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

Catalizador para la purificación de gases de escape procedentes de un motor de combustión interna, que comprende un revestimiento activo catalíticamente sobre un cuerpo alveolar cerámico o metálico inerte, comprendiendo dicho revestimiento por lo menos un metal del grupo del platino, seleccionado entre el conjunto que consiste en platino, paladio, rodio e iridio, sobre un material de soporte oxídico fino, en el que el material de soporte oxídico es un material con baja porosidad sobre la base de dióxido de silicio y comprende unos aglomerados de partículas primarias esencialmente esféricas, que tienen un diámetro medio de partículas comprendido entre 7 y 60 nm.Catalyst for the purification of exhaust gases from an internal combustion engine, comprising a catalytically active coating on an inert ceramic or metallic cellular body, said coating comprising at least one platinum group metal, selected from the set consisting in platinum, palladium, rhodium and iridium, on a thin oxidic support material, in which the oxidic support material is a low porosity material based on silicon dioxide and comprises agglomerates of essentially spherical primary particles, which have an average particle diameter between 7 and 60 nm.

ES02758451T 2001-08-09 2002-08-08 CATALYST THAT INCLUDES A SILICON DIOXIDE SUPPORT MATERIAL FOR PURIFICATION OF EXHAUST GASES. Expired - Lifetime ES2242053T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01119213A EP1287886A1 (en) 2001-08-09 2001-08-09 Catalyst for cleaning of exhaust gases of a combustion engine

Publications (1)

Publication Number Publication Date
ES2242053T3 true ES2242053T3 (en) 2005-11-01

Family

ID=8178281

Family Applications (1)

Application Number Title Priority Date Filing Date
ES02758451T Expired - Lifetime ES2242053T3 (en) 2001-08-09 2002-08-08 CATALYST THAT INCLUDES A SILICON DIOXIDE SUPPORT MATERIAL FOR PURIFICATION OF EXHAUST GASES.

Country Status (15)

Country Link
US (1) US7563744B2 (en)
EP (2) EP1287886A1 (en)
JP (1) JP4490098B2 (en)
KR (1) KR100899543B1 (en)
CN (1) CN1278769C (en)
AR (1) AR035099A1 (en)
AT (1) ATE294639T1 (en)
BR (1) BR0211765B1 (en)
CA (1) CA2453267C (en)
DE (1) DE60204003T2 (en)
ES (1) ES2242053T3 (en)
MX (1) MXPA04001084A (en)
RU (1) RU2301702C2 (en)
WO (1) WO2003024589A1 (en)
ZA (1) ZA200400931B (en)

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4210552B2 (en) * 2003-05-06 2009-01-21 株式会社アイシーティー Diesel engine exhaust gas purification catalyst and method for producing the same
KR101077814B1 (en) * 2004-02-11 2011-10-31 우미코레 아게 운트 코 카게 Exhaust gas cleaning catalyst with an axially varying precious metal concentration and processes for making the catalyst
DE102004020259A1 (en) * 2004-04-26 2005-11-10 Hte Ag The High Throughput Experimentation Company Catalyst useful for simultaneous removal of carbon monoxide and hydrocarbons from oxygen-rich gases comprises tin oxide and palladium loaded on carrier oxide
DE102004048247A1 (en) * 2004-10-04 2006-04-06 Hte Ag The High Throughput Experimentation Company Zeolite catalyst for the simultaneous removal of carbon monoxide and hydrocarbons from oxygen-rich exhaust gases and process for its preparation
KR100665606B1 (en) * 2005-04-14 2007-01-09 희성엥겔하드주식회사 Rhodium solution containing 400 ｐｐm or more of iridium components as impurities for the preparation of catalyst compositions for exhaust gas purification of internal combustion engines
US7943547B2 (en) * 2005-09-14 2011-05-17 Hamilton Sundstrand Space Systems International, Inc. Selective catalytic oxidation of ammonia to water and nitrogen
EP1785395B1 (en) * 2005-11-12 2009-08-19 Evonik Degussa GmbH Process for the preparation of doped metal oxide particles
JP4613853B2 (en) * 2006-03-01 2011-01-19 トヨタ自動車株式会社 Compound containing metal complex and metal complex
FR2898519B1 (en) * 2006-03-20 2009-01-09 Commissariat Energie Atomique NANOPARTICLES, IN PARTICULAR WITH STRUCTURE HEART SHELLS, COATED
WO2008094889A1 (en) * 2007-01-31 2008-08-07 Basf Catalysts Llc Gas catalysts comprising porous wall honeycombs
CN101284232B (en) * 2007-04-13 2013-01-16 微宏动力系统（湖州）有限公司 Bromomethane prepared by bromine oxidation of methane and catalyst for conversing the bromomethane into hydrocarbon
US8507401B1 (en) 2007-10-15 2013-08-13 SDCmaterials, Inc. Method and system for forming plug and play metal catalysts
EP2070581A1 (en) 2007-12-10 2009-06-17 HTE Aktiengesellschaft The High Throughput Experimentation Company Oxidation catalyst containing Pt and Pd
US7976784B2 (en) * 2007-12-18 2011-07-12 Basf Corporation Methods and systems including CO oxidation catalyst with low NO to NO2 conversion
JP5273446B2 (en) * 2008-05-12 2013-08-28 日産自動車株式会社 Exhaust gas purification catalyst and method for producing the same
DE202008009047U1 (en) * 2008-07-04 2008-09-25 Kba-Metalprint Gmbh Nanoparticle-coated honeycomb body
WO2010013574A1 (en) * 2008-07-31 2010-02-04 日産自動車株式会社 Catalyst for purification of exhaust gas
US8187353B2 (en) * 2009-01-21 2012-05-29 Corning Incorporated Filtration structures for improved particulate filter performance
WO2010084930A1 (en) * 2009-01-22 2010-07-29 三菱化学株式会社 Catalyst for removing nitrogen oxides and method for producing same
CN102341172A (en) * 2009-03-04 2012-02-01 日产自动车株式会社 Exhaust gas purification catalyst and manufacturing method thereof
JP2010247079A (en) * 2009-04-16 2010-11-04 Denso Corp Method for producing exhaust gas purification catalyst
DE102009031305A1 (en) * 2009-06-30 2011-01-05 Uhde Gmbh Catalyst-coated support, process for its preparation, a reactor equipped therewith and its use
BR112012011292B1 (en) 2009-11-12 2020-12-08 Umicore Ag & Co.Kg improved diesel oxidation catalyst and device for purifying exhaust gases from diesel engines
BRPI1011498A2 (en) 2009-11-17 2016-03-22 Nissan Motor exhaust gas purification catalyst and manufacturing method for the same
US8652992B2 (en) * 2009-12-15 2014-02-18 SDCmaterials, Inc. Pinning and affixing nano-active material
US9126191B2 (en) * 2009-12-15 2015-09-08 SDCmaterials, Inc. Advanced catalysts for automotive applications
WO2011123129A1 (en) * 2010-04-01 2011-10-06 Cabot Corporation Diesel oxidation catalysts
US8080495B2 (en) 2010-04-01 2011-12-20 Cabot Corporation Diesel oxidation catalysts
JP2013043138A (en) * 2011-08-25 2013-03-04 Denso Corp Catalyst carrier and method for producing the same
US8679434B1 (en) * 2013-01-28 2014-03-25 Basf Corporation Catalytic articles, systems and methods for the oxidation of nitric oxide
US9034287B2 (en) * 2013-03-13 2015-05-19 Basf Corporation Catalyst compositions, articles, methods and systems
US9511355B2 (en) 2013-11-26 2016-12-06 Clean Diesel Technologies, Inc. (Cdti) System and methods for using synergized PGM as a three-way catalyst
US9511350B2 (en) 2013-05-10 2016-12-06 Clean Diesel Technologies, Inc. (Cdti) ZPGM Diesel Oxidation Catalysts and methods of making and using same
US9511353B2 (en) 2013-03-15 2016-12-06 Clean Diesel Technologies, Inc. (Cdti) Firing (calcination) process and method related to metallic substrates coated with ZPGM catalyst
US9259716B2 (en) 2013-03-15 2016-02-16 Clean Diesel Technologies, Inc. Oxidation catalyst systems compositions and methods thereof
US9216383B2 (en) 2013-03-15 2015-12-22 Clean Diesel Technologies, Inc. System and method for two and three way ZPGM catalyst
US9227177B2 (en) 2013-03-15 2016-01-05 Clean Diesel Technologies, Inc. Coating process of Zero-PGM catalysts and methods thereof
US9073011B2 (en) 2013-04-04 2015-07-07 Randal Hatfield Systems and methods for diesel oxidation catalyst with decreased SO3 emissions
US9545626B2 (en) 2013-07-12 2017-01-17 Clean Diesel Technologies, Inc. Optimization of Zero-PGM washcoat and overcoat loadings on metallic substrate
US8853121B1 (en) 2013-10-16 2014-10-07 Clean Diesel Technology Inc. Thermally stable compositions of OSM free of rare earth metals
CN104556065B (en) * 2013-10-24 2016-08-17 中国石油化工股份有限公司 A kind of porous silica and process of preparing thereof
US9511358B2 (en) 2013-11-26 2016-12-06 Clean Diesel Technologies, Inc. Spinel compositions and applications thereof
EP3077112B1 (en) * 2013-12-06 2022-02-16 Johnson Matthey Public Limited Company Exhaust gas catalyst containing two different palladium-molecular sieve catalysts
RU2576568C2 (en) * 2013-12-30 2016-03-10 Федеральное государственное бюджетное учреждение науки Институт химии Дальневосточного отделения Российской академии наук (ИХ ДВО РАН) Method of producing hydrated titanium dioxide based precursor with nano-sized palladium metal particles for catalytically active coating on inert carrier
RU2550472C1 (en) * 2014-03-26 2015-05-10 Открытое акционерное общество "Научно-производственное предприятие "Радий" Method of production of heat-resistant nanocomposites containing platinum-group metals
JP6594328B2 (en) * 2014-10-02 2019-10-23 株式会社キャタラー Exhaust gas purification catalyst
KR20170104560A (en) 2015-01-16 2017-09-15 바스프 코포레이션 Nano-sized functional binder
CN107666960A (en) * 2015-01-29 2018-02-06 巴斯夫公司 Rhodium-containing catalysts for automotive emissions treatment
RU2742416C2 (en) * 2016-01-06 2021-02-05 Басф Корпорейшн Diesel oxidation catalyst containing platinum group metal nanoparticles
US9868111B2 (en) * 2016-02-27 2018-01-16 Toyota Motor Engineering & Manufacturing North America, Inc. Catalyst for direct NOx decomposition and a method of forming and using the catalyst
JP2019136655A (en) * 2018-02-09 2019-08-22 株式会社フルヤ金属 Antibacterial porous material and antibacterial product containing the same, and antibacterial method using the same
CN109529924B (en) * 2018-11-22 2020-07-24 清华大学 DOC molecular sieve catalyst, preparation thereof and application of DOC molecular sieve catalyst in catalytic oxidation of diesel vehicle tail gas
CN114142050B (en) * 2021-11-29 2024-04-23 一汽解放汽车有限公司 A composite anti-reverse polarity catalyst and its preparation method and application

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3472617A (en) * 1965-12-20 1969-10-14 Grace W R & Co Production of binderless molecular sieve aggregates
US4049781A (en) * 1973-11-02 1977-09-20 W. R. Grace & Co. Method of preparing loosely aggregated 200-500 millimicron silica
JPS54153779A (en) * 1978-05-25 1979-12-04 Kuraray Co Ltd Preparation of polyvinyl alcohol base selective transmission membrane
DE3803899C1 (en) * 1988-02-09 1989-04-13 Degussa Ag, 6000 Frankfurt, De
CA1295813C (en) 1988-12-14 1992-02-18 Karl T. Chuang Reduction of nitrogen oxides
US5128114A (en) * 1989-04-14 1992-07-07 E. I. Du Pont De Nemours And Company Silica microspheres, method of improving attrition resistance
DE3940758A1 (en) 1989-12-09 1991-06-13 Degussa METHOD FOR PURIFYING THE EXHAUST GAS FROM DIESEL ENGINES
US5175136A (en) * 1990-05-31 1992-12-29 Monsanto Company Monolithic catalysts for conversion of sulfur dioxide to sulfur trioxide
US6869573B2 (en) * 1990-11-09 2005-03-22 Ngk Insulators, Ltd. Heater and catalytic converter
JP3321831B2 (en) * 1992-07-16 2002-09-09 日産自動車株式会社 Exhaust gas purification catalyst
DE4424775A1 (en) * 1994-07-05 1996-01-11 Grace Gmbh Antiblocking agent and process for its manufacture
DE4424235A1 (en) * 1994-07-09 1996-01-11 Man Nutzfahrzeuge Ag Sorption catalyst for the sorptive and oxidative purification of exhaust gases from diesel engines
EP0710499A3 (en) * 1994-11-04 1997-05-21 Agency Ind Science Techn Exhaust gas cleaner and method for cleaning exhaust gas
JP3498410B2 (en) * 1995-03-07 2004-02-16 日産自動車株式会社 Exhaust gas purification catalyst
DE19516253A1 (en) * 1995-04-26 1996-10-31 Grace Gmbh Matting agent based on aggregated silicon dioxide with improved efficiency
DE19530339A1 (en) * 1995-08-18 1997-02-20 Degussa Fumed silica, process for its production and use
US5919425A (en) * 1995-09-21 1999-07-06 Engelhard Corporation Catalyzed packing material for regenerative catalytic oxidation
DE19614540A1 (en) * 1996-04-12 1997-10-16 Degussa Diesel catalyst
DE19619961A1 (en) * 1996-05-17 1997-11-20 Degussa Compacts based on pyrogenic silicon dioxide
US5830421A (en) * 1996-07-03 1998-11-03 Low Emissions Technologies Research And Development Partnership Material and system for catalytic reduction of nitrogen oxide in an exhaust stream of a combustion process
DE19750238A1 (en) * 1997-11-13 1999-05-27 Degussa Compacts based on pyrogenic silicon dioxide
DE19753738A1 (en) * 1997-12-04 1999-06-10 Degussa Process for producing a catalyst
DE19756144A1 (en) * 1997-12-17 1999-07-01 Degussa Oxidation catalyst for internal combustion engines
RU2131773C1 (en) * 1998-03-24 1999-06-20 Кемеровский государственный университет Method of preparing catalytic neutralizer for internal combustion engine exhausted gases
JP4290240B2 (en) * 1998-05-27 2009-07-01 ジョンソン・マッセイ・ジャパン・インコーポレイテッド Exhaust gas purification catalyst and exhaust gas purification method
JP4197747B2 (en) * 1998-06-12 2008-12-17 三菱製紙株式会社 Silica alumina composite sol, method for producing the same, and recording medium
US6380265B1 (en) * 1998-07-09 2002-04-30 W. R. Grace & Co.-Conn. Dispersion of fine porous inorganic oxide particles and processes for preparing same
DE19854794A1 (en) * 1998-11-27 2000-05-31 Degussa Catalyst for the purification of the exhaust gases of a diesel engine
EP1129764B1 (en) * 2000-03-01 2005-10-26 Umicore AG & Co. KG Catalyst for purifying diesel engines exhaust gases and process for its preparation

Also Published As

Publication number Publication date
EP1370357B1 (en) 2005-05-04
BR0211765B1 (en) 2012-05-15
ZA200400931B (en) 2005-03-30
WO2003024589A1 (en) 2003-03-27
JP4490098B2 (en) 2010-06-23
DE60204003D1 (en) 2005-06-09
JP2005503255A (en) 2005-02-03
CA2453267A1 (en) 2003-03-27
KR100899543B1 (en) 2009-05-27
US7563744B2 (en) 2009-07-21
CN1278769C (en) 2006-10-11
CN1538875A (en) 2004-10-20
ATE294639T1 (en) 2005-05-15
MXPA04001084A (en) 2005-02-17
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BR0211765A (en) 2004-07-27
US20060183636A1 (en) 2006-08-17
EP1287886A1 (en) 2003-03-05
KR20040023743A (en) 2004-03-18
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